1. Department of Regulatory Bioorganic ChemistryThe Institute of Scientific and Industrial ResearchOsaka University 8-1 Mihogaoka Ibaraki 567-0047 Japan
2. Department of NeurologyGraduate School of MedicineOsaka University 2-2 Yamadaoka Suita 565-0871 Japan
3. Department of Structure and Function of BiomoleculesThe Institute of Bioorganic ChemistryPolish Academy of Sciences Z. Noskowskiego 12/14 61-704 Poznan Poland
4. Department of Gene ExpressionLaboratory of Gene TherapyInstitute of Molecular Biology and BiotechnologyAdam Mickiewicz University Umultowska 89 61-614 Poznań Poland